<template>
  <div>
    <el-menu
      class="el-menu-vertical-demo"
      @open="handleOpen"
      @close="handleClose"
      :collapse="isCollapse"
      background-color="#333744"
      text-color="#fff"
      active-text-color="#ffd04b"
    >
      <h3 style="color:#fff">&nbsp;&nbsp;Easy-Shop</h3>
      <el-menu-item :index="item.label" v-for="item in noChildren" :key="item.path"
                    @click="cliclMenu(item)">
        <i :class="'el-icon-'+item.icon"></i>
        <span slot="title">{{ item.label }}</span>
      </el-menu-item>
      <el-submenu :index="item.label" v-for="item in hasChildren" :key="item.path">
        <template slot="title">
          <i :class="'el-icon-'+item.icon"></i>
          <span slot="title">{{ item.label }}</span>
        </template>
        <el-menu-item-group>
          <el-menu-item
            :index="subItem.path"
            v-for="(subItem,subIndex) in item.children"
            :key="subIndex"
            @click="cliclMenu(subItem)">
            <i :class="'el-icon-'+subItem.icon"></i>
            <span slot="title">{{ subItem.label }}</span></el-menu-item>
        </el-menu-item-group>
      </el-submenu>


    </el-menu>
  </div>
</template>

<script>
export default {
  name: 'CommenAside',
  data () {
    return {
      isCollapse: false,
      menu: [
        {
          path: '/',
          name: 'defect-home',
          label: '首页',
          icon: 'house',
          url: 'DefectHome/DefectHome'
        },
        {
          path: '/pic-home',
          name: 'pic-home',
          label: '图片库',
          icon: 'picture',
          url: 'PicHome/PicHome'
        },
        {
          path: '/set-pic',
          name: 'set-pic',
          label: '参数设置',
          icon: 's-grid',
          url: 'SetPic/SetPic'
        },
        {
          label: '其他',
          icon: 'location',
          children: [
            {
              path: '/page1',
              name: 'page1',
              label: '页面1',
              icon: 'page',
              url: 'Other/PageOne'
            },
            {
              path: '/page2',
              name: 'page2',
              label: '页面2',
              icon: 'page',
              url: 'Other/PageTwo'
            }
          ]

        }
      ]
    }
  },
  methods: {
    handleOpen (key, keyPath) {
      console.log(key, keyPath)
    },
    handleClose (key, keyPath) {
      console.log(key, keyPath)
    },
    clickMenu (item) {
      this.$router.push({ name: item.name })
    }
  },
  computed: {
    noChildren () {
      return this.menu.filter((item) => !item.children)
    },
    hasChildren () {
      return this.menu.filter((item) => item.children)
    }
  },

}
</script>

<style scoped>
.el-menu-vertical-demo:not(.el-menu--collapse) {
  width: 230px;
  height: 700px;

}

h3 {
  color: #ffffff;
  text-align: center;
  line-height: 48px;
}
</style>
